USN-3769-2: Bind vulnerability

1 October 2018

bind9 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 ESM

Summary

Bind could be made to crash if it received specially crafted network traffic.

Software Description

  • bind9 - Internet Domain Name Server

Details

USN-3769-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled the deny-answer-aliases feature. If this feature is enabled, a remote attacker could use this issue to cause Bind to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 ESM
bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.26

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References